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United States Patent | 5,100,239 |
Ono ,   et al. | March 31, 1992 |
Method for manufacturing concrete by mixing concrete materials including a cement, aggregate, admixture and at least one of water and ice. The aggregate is moved prior the mixing and a low-temperature liquid is sprayed on the aggregate for cooling while the aggregate is being moved.
Inventors: | Ono; Sadamu (Tokyo, JP); Goto; Sadao (Tokyo, JP); Minegishi; Koji (Tokyo, JP); Oshita; Kenichi (Tokyo, JP); Ishikura; Daisuke (Tokyo, JP); Negami; Yoshiaki (Tokyo, JP); Kamezaki; Kazuya (Tokyo, JP); Kimura; Katsuhiko (Tokyo, JP); Kuwahara; Takashi (Tokyo, JP); Kajioka; Yasuo (Tokyo, JP) |
Assignee: | Shimizu Construction Co., Ltd. (Tokyo, JP) |
Appl. No.: | 636552 |
Filed: | June 29, 1990 |
Dec 19, 1986[JP] | 61-303414 | |
Dec 19, 1986[JP] | 61-303415 | |
Jun 23, 1987[JP] | 62-155805 | |
Jun 23, 1987[JP] | 62-155806 | |
Jun 27, 1987[JP] | 62-160596 |
Current U.S. Class: | 366/7; 62/68; 366/4; 366/8; 366/13; 366/14; 366/18; 366/31; 366/35; 366/38; 366/64; 366/108; 366/148; 366/154.2; 366/168.1 |
Intern'l Class: | B28C 005/46; B28C 005/48; 14; 18; 155; 168 |
Field of Search: | 366/2-4,6-10,12,13,16,20,31,32,35,38,26,45,46,50,64,108,109,144,145,148,156,167 62/68-70 |
1836754 | Dec., 1931 | Hepburn | 366/25. |
1859324 | May., 1932 | Arnold | 366/7. |
1947345 | Feb., 1934 | Liland | 366/7. |
1960692 | May., 1934 | Brown et al. | 366/156. |
2264610 | Dec., 1941 | Beardsley | 366/4. |
2384573 | Sep., 1945 | Smith | 366/4. |
2491194 | Dec., 1949 | McShea | 366/145. |
2593327 | Apr., 1952 | McIlvaine | 366/13. |
2595631 | May., 1952 | Bertoch | 366/7. |
2758445 | Aug., 1956 | Saxe | 366/144. |
3108448 | Oct., 1963 | Hightower | 366/7. |
3302934 | Feb., 1967 | Milligan | 366/13. |
3306589 | Feb., 1967 | Uden | 366/16. |
3459409 | Aug., 1969 | Goldberger | 366/64. |
3480260 | Nov., 1969 | Fejnert | 366/4. |
3558105 | Jan., 1971 | Muritz | 366/109. |
3583172 | Jun., 1971 | Koudeloka | 366/4. |
3687420 | Aug., 1972 | Schweinfurth et al. | 366/109. |
4106112 | Aug., 1978 | Jones | 366/7. |
4306814 | Dec., 1981 | Magni | 366/10. |
4361405 | Nov., 1982 | Wedek et al. | 366/7. |
4452535 | Jun., 1984 | Reid | 366/22. |
4479362 | Oct., 1984 | McWhorter et al. | 62/70. |
4551024 | Nov., 1985 | Clopp | 366/64. |
4586824 | May., 1986 | Haws | 366/64. |
Foreign Patent Documents | |||
536646 | Feb., 1957 | CA | 366/50. |
D 11805 | Aug., 1956 | DE | 366/109. |
2438969 | Feb., 1976 | DE. | |
3525780 | Jan., 1987 | DE | 366/10. |
1135254 | Apr., 1957 | FR | 366/13. |
61-201681 | Jun., 1986 | JP. | |
137904 | May., 1990 | JP | 366/101. |
1136834 | Jan., 1985 | SU | 366/108. |
1193202 | Nov., 1985 | SU | 366/7. |
TABLE 1 ______________________________________ kg/m.sup.3 Water Cement Sand Gravel ______________________________________ 150 300 738 1119 ______________________________________